Search for R-parity violating decays of supersymmetric particles in \({\mathrm e}^+{\mathrm e}^-\) collisions at centre-of-mass energies near 183 GeV

  • The ALEPH Collaboration
  • R. Barate et al.
Experimental physics


Searches for pair-production of supersymmetric particles under the assumption that R-parity is violated via a single dominant \(LL{\bar E}\), \(LQ{\bar D}\) or \({\bar U}{\bar D}{\bar D}\) coupling are performed using the data collected by the ALEPH collaboration at centre-of-mass energies of 181–184 GeV. The observed candidate events in the data are in agreement with the Standard Model expectations. Upper limits on the production cross-sections and lower limits on the masses of charginos, sleptons, squarks and sneutrinos are derived.


Lower Limit Supersymmetric Particle Model Expectation Candidate Event Standard Model Expectation 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • The ALEPH Collaboration
  • R. Barate et al.
    • 1
  1. 1.Laboratoire de Physique des Particules (LAPP), IN2P3-CNRS, 74019 Annecy-le-Vieux Cedex, FranceFR

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